ACS Maindrive 1″ – 1 1/8″ Integrated Headset Blue
This combo headset mounts 1″ forks onto 1 1/8″ frames. ACS Maindrive Integrated Headsets feature alloy construction and sealed mechanism 45/45 degree bearings.

Only compatible with frames that require an integrated headset system.

Features

• Mounts 1″ forks onto 1 1/8″ frames
• CNC machined alloy tops
• Sealed mechanism 45/45 degree bearings
• Only fits frames that require integrated headsets
• Blue